At such a great distance away, that's way too fast to be a drone. Almost certainly extraterrestrial.
[video=youtube;WI5yHAmcH2g]http://www.youtube.com/watch?v=WI5yHAmcH2g&feature=player_embedded[/video]
[video=youtube;WI5yHAmcH2g]http://www.youtube.com/watch?v=WI5yHAmcH2g&feature=player_embedded[/video]